Home / 326,685,334,400.80-490,028,001,601.20-78,532,148,096.80

Finding the Fourth Proportional to 326,685,334,400.80, 490,028,001,601.20 and 78,532,148,096.80

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Solution

The fourth proportional to 326,685,334,400.80, 490,028,001,601.20 and 78,532,148,096.80 is: 117,798,222,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,685,334,400.80 : 490,028,001,601.20 = 78,532,148,096.80 : x
  2. Step 2: Convert to fraction form
    326,685,334,400.80/490,028,001,601.20 = 78,532,148,096.80/x
  3. Step 3: Cross multiply
    326,685,334,400.80x = 490,028,001,601.20 × 78,532,148,096.80
  4. Step 4: Simplify right side
    326,685,334,400.80x = 38,482,951,593,324,391,170,048
  5. Step 5: Solve for x
    x = 38,482,951,593,324,391,170,048/326,685,334,400.80
  6. Step 6: Final answer
    x = 117,798,222,145.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.